Classify:

· Oil: mineral power
· Iron: mineral metalic
· Bauxite: mineral metalic
· Silk: animal material
· Cotton: vegetal material
· Milk: animal material
· Gold: mineral metalic
· Coal: mineral power
· Tuna: animal material
· Wood: vegetal material
· Granite: mineral non-metalic
· Diamonds: mineral non-metalic
· Skin: animal material
· Salt: mineral non-metalic
· Ivory: animal material
· Cooper: mineral metalic
· Tomatoes: vegetal material
· Sulphor: mineral metalic
· Mercury: mineral metalic
· Wool: animal material
· Linen: vegetal material
· Resin: vegetal material
· Rubber: vegetal material
· Cork: vegetal material.

Esplain what raw materials are used to produce:

- Shoes: skin
- Chairs: wood
- Juice: fruits
- Jewels: gold, diamonds
- Keys: iron
- Thermometers: mercury
- Windows: wood, glass
- Doors: wood
- Notebooks: paper
- Sweaters: wool, cotton
- Oil: oil